Add typescript support and automatic openapi client generation from ninja

openapi-ts.config.ts

@@ -0,0 +1,10 @@
+// biome-ignore lint/correctness/noNodejsModules: this only used at compile time
+const path = require("node:path");
+import { defineConfig } from "@hey-api/openapi-ts";
+
+// biome-ignore lint/style/noDefaultExport: needed for openapi-ts
+export default defineConfig({
+  client: "@hey-api/client-fetch",
+  input: path.resolve(__dirname, "./staticfiles/generated/openapi/schema.json"),
+  output: path.resolve(__dirname, "./staticfiles/generated/openapi"),
+});